#include <JSONDeviceDetectorDescriptionProviderSvc.h>

Inheritance diagram for ActsTrk::JSONDeviceDetectorDescriptionProviderSvc:

Collaboration diagram for ActsTrk::JSONDeviceDetectorDescriptionProviderSvc:

Public Member Functions
virtual StatusCode	initialize () override
virtual const std::unordered_map< uint64_t, Identifier > &	detrayToAthenaMap () const override
virtual const std::unordered_map< Identifier, uint64_t > &	athenaToDetrayMap () const override

Private Member Functions
StatusCode	loadIdMaps ()
StatusCode	buildFromFile (std::pmr::memory_resource &hostMR, std::pmr::memory_resource &deviceMR, const vecmem::copy &copy, std::unique_ptr< traccc::detector_design_description::host > &hostDesign, std::unique_ptr< traccc::detector_conditions_description::host > &hostCond, std::unique_ptr< traccc::detector_design_description::buffer > &deviceDesign, std::unique_ptr< traccc::detector_conditions_description::buffer > &deviceCond)

Private Attributes
ServiceHandle< StoreGateSvc >	m_detStore {this, "DetectorStore", "StoreGateSvc/DetectorStore"}
ToolHandle< AthDevice::IMemoryResourceTool >	m_hostMR
ToolHandle< AthDevice::IMemoryResourceTool >	m_deviceMR
ToolHandle< AthDevice::ICopyTool >	m_copy
Gaudi::Property< std::string >	m_geometryFile
Gaudi::Property< std::string >	m_digitizationFile
Gaudi::Property< std::string >	m_conditionsFile
Gaudi::Property< std::string >	m_mapFile
Gaudi::Property< std::string >	m_deviceDesignObjectName
Gaudi::Property< std::string >	m_deviceCondObjectName
Gaudi::Property< std::string >	m_hostDesignObjectName
Gaudi::Property< std::string >	m_hostCondObjectName
std::unordered_map< uint64_t, Identifier >	m_detrayToAthena
std::unordered_map< Identifier, uint64_t >	m_athenaToDetray

Detailed Description

Definition at line 32 of file JSONDeviceDetectorDescriptionProviderSvc.h.

Member Function Documentation

◆ athenaToDetrayMap()

const std::unordered_map< Identifier, uint64_t > & ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::athenaToDetrayMap ( ) const

overridevirtual

Definition at line 56 of file JSONDeviceDetectorDescriptionProviderSvc.cxx.

                                                                                                                {
 return m_athenaToDetray;
}

◆ buildFromFile()

StatusCode ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::buildFromFile	(	std::pmr::memory_resource &	hostMR,
		std::pmr::memory_resource &	deviceMR,
		const vecmem::copy &	copy,
		std::unique_ptr< traccc::detector_design_description::host > &	hostDesign,
		std::unique_ptr< traccc::detector_conditions_description::host > &	hostCond,
		std::unique_ptr< traccc::detector_design_description::buffer > &	deviceDesign,
		std::unique_ptr< traccc::detector_conditions_description::buffer > &	deviceCond )

private

Definition at line 108 of file JSONDeviceDetectorDescriptionProviderSvc.cxx.

{
  if (m_geometryFile.value().empty() ||
      m_digitizationFile.value().empty() ||
      m_conditionsFile.value().empty()) {
    ATH_MSG_FATAL("GeometryFile, " << m_geometryFile.value() <<
                            ", DigitizationFile, " << m_digitizationFile.value() << " or ConditionsFile, " << m_conditionsFile.value() << ", is empty!");
    return StatusCode::FAILURE;
  }
 
  ATH_MSG_INFO("Reading detector description from files:"
      << "  geometry:     " << m_geometryFile.value()
      << ",  digitization: " << m_digitizationFile.value()
      << ",  conditions:   " << m_conditionsFile.value());
 
  hostDesign = std::make_unique<traccc::detector_design_description::host>(hostMR);
  hostCond   = std::make_unique<traccc::detector_conditions_description::host>(hostMR);
 
  traccc::io::read_detector_description(
      *hostDesign, *hostCond,
      PathResolverFindCalibFile(m_geometryFile.value()),
      PathResolverFindCalibFile(m_digitizationFile.value()),
      PathResolverFindCalibFile(m_conditionsFile.value()),
      traccc::data_format::json);
 
  ATH_MSG_DEBUG(hostDesign->size() << " design entries, "
                << hostCond->size() << " conditions entries");
 
  // Copy design to device
  std::vector<unsigned int> sizes;
  sizes.reserve(hostDesign->size());
  for (std::size_t i = 0; i < hostDesign->size(); ++i) {
    const auto& e = hostDesign->at(i);
    sizes.push_back(static_cast<unsigned int>(
        std::max(e.bin_edges_x().size(), e.bin_edges_y().size())));
  }
 
  deviceDesign =
        std::make_unique<traccc::detector_design_description::buffer>(
          sizes, deviceMR, &hostMR,
          vecmem::data::buffer_type::resizable);
  copy.setup(*deviceDesign)->wait();
  copy(vecmem::get_data(*hostDesign), *deviceDesign)->wait();
 
  // Copy conditions to device
  deviceCond =
      std::make_unique<traccc::detector_conditions_description::buffer>(
          static_cast<traccc::detector_conditions_description::buffer::size_type>(
              hostCond->size()),
          deviceMR);
  copy.setup(*deviceCond)->wait();
  copy(vecmem::get_data(*hostCond), *deviceCond)->wait();
 
  ATH_MSG_INFO("Detector description built from files");
  return StatusCode::SUCCESS;
}

◆ detrayToAthenaMap()

const std::unordered_map< uint64_t, Identifier > & ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::detrayToAthenaMap ( ) const

overridevirtual

Definition at line 52 of file JSONDeviceDetectorDescriptionProviderSvc.cxx.

                                                                                                                {
 return m_detrayToAthena;
}

◆ initialize()

StatusCode ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::initialize ( )

overridevirtual

Definition at line 24 of file JSONDeviceDetectorDescriptionProviderSvc.cxx.

{
  ATH_MSG_DEBUG("Initializing  device detector description provider service ");
 
  ATH_CHECK(m_hostMR.retrieve());
  ATH_CHECK(m_deviceMR.retrieve());
  ATH_CHECK(m_copy.retrieve());
 
  std::unique_ptr<traccc::detector_design_description::host>     hostDesign;
  std::unique_ptr<traccc::detector_conditions_description::host> hostCond;
  std::unique_ptr<traccc::detector_design_description::buffer>    deviceDesign;
  std::unique_ptr<traccc::detector_conditions_description::buffer> deviceCond;
 
  ATH_CHECK(loadIdMaps());
  auto copy = m_copy->copy(EventContext{});
  ATH_CHECK(buildFromFile(m_hostMR->mr(), m_deviceMR->mr(), *copy, hostDesign, hostCond, deviceDesign, deviceCond));
 
  // Record device and host objects
  // Host objects are needed for EDM conversions
  ATH_CHECK(m_detStore->record(std::move(deviceDesign), m_deviceDesignObjectName.value()));
  ATH_CHECK(m_detStore->record(std::move(deviceCond), m_deviceCondObjectName.value()));
  ATH_CHECK(m_detStore->record(std::move(hostDesign), m_hostDesignObjectName.value()));
  ATH_CHECK(m_detStore->record(std::move(hostCond), m_hostCondObjectName.value()));
 
  ATH_MSG_DEBUG("Successfully initialized");
  return StatusCode::SUCCESS;
}

◆ loadIdMaps()

StatusCode ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::loadIdMaps ( )

private

Definition at line 60 of file JSONDeviceDetectorDescriptionProviderSvc.cxx.

{
  if (m_mapFile.value().empty()) {
    ATH_MSG_FATAL("MapFile not set — detray<->Athena maps will be empty");
    return StatusCode::FAILURE;
  }
 
  ATH_MSG_INFO("Loading detray<->Athena map from "
                       << m_mapFile.value());
 
  std::ifstream mapFile(PathResolverFindCalibFile(m_mapFile.value()));
  if (!mapFile.is_open()) {
    ATH_MSG_FATAL("Cannot open map file: " << m_mapFile.value());
    return StatusCode::FAILURE;
  }
 
  std::string line;
  while (std::getline(mapFile, line)) {
    if (line.empty()) continue;
    std::stringstream ss(line);
    std::string athenaStr, detrayStr;
    if (!std::getline(ss, athenaStr, ',') ||
        !std::getline(ss, detrayStr, ',')) continue;
 
    if (athenaStr.empty()) {
        ATH_MSG_ERROR("Empty Athena identifier string in map file — skipping");
        return StatusCode::FAILURE;
    }
    Identifier athenaId;
    athenaId.set(athenaStr);
 
    uint64_t detrayId = 0;
    try {
        detrayId = std::stoull(detrayStr);
    } catch (const std::exception& e) {
        ATH_MSG_ERROR("Failed to parse detray identifier '" << detrayStr << "': " << e.what());
        return StatusCode::FAILURE;
    }
 
    m_athenaToDetray[athenaId] = detrayId;
    m_detrayToAthena[detrayId] = athenaId;
  }
 
  ATH_MSG_INFO("Loaded " << m_athenaToDetray.size()
                       << " detray<->Athena module mappings");
  return StatusCode::SUCCESS;
}

Member Data Documentation

◆ m_athenaToDetray

std::unordered_map<Identifier, uint64_t> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_athenaToDetray

private

Definition at line 94 of file JSONDeviceDetectorDescriptionProviderSvc.h.

◆ m_conditionsFile

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_conditionsFile

private

Initial value:

{
      this, "ConditionsFile", "",
      "Traccc conditions config JSON file (required when PopulateFromFile=true)"}

Definition at line 64 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                           {
      this, "ConditionsFile", "",
      "Traccc conditions config JSON file (required when PopulateFromFile=true)"};

◆ m_copy

ToolHandle<AthDevice::ICopyTool> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_copy

private

Initial value:

{

this, "CopyProviderTool", "", "Vecmem copy provider tool"}

Definition at line 54 of file JSONDeviceDetectorDescriptionProviderSvc.h.

54 {

55 this, "CopyProviderTool", "", "Vecmem copy provider tool"};

◆ m_detrayToAthena

std::unordered_map<uint64_t, Identifier> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_detrayToAthena

private

Definition at line 93 of file JSONDeviceDetectorDescriptionProviderSvc.h.

◆ m_detStore

ServiceHandle<StoreGateSvc> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_detStore {this, "DetectorStore", "StoreGateSvc/DetectorStore"}

private

Definition at line 48 of file JSONDeviceDetectorDescriptionProviderSvc.h.

48{this, "DetectorStore", "StoreGateSvc/DetectorStore"};

◆ m_deviceCondObjectName

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_deviceCondObjectName

private

Initial value:

{
      this, "DeviceConditionsObjectName", "",
      "Traccc device conditions object"}

Definition at line 74 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                                 {
      this, "DeviceConditionsObjectName", "",
      "Traccc device conditions object"};

◆ m_deviceDesignObjectName

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_deviceDesignObjectName

private

Initial value:

{
      this, "DeviceDigitizationObjectName", "",
      "Traccc device digitization object"}

Definition at line 71 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                                   {
      this, "DeviceDigitizationObjectName", "",
      "Traccc device digitization object"};

◆ m_deviceMR

ToolHandle<AthDevice::IMemoryResourceTool> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_deviceMR

private

Initial value:

{

this, "DeviceMR", "", "Device memory resource tool"}

Definition at line 52 of file JSONDeviceDetectorDescriptionProviderSvc.h.

52 {

53 this, "DeviceMR", "", "Device memory resource tool"};

◆ m_digitizationFile

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_digitizationFile

private

Initial value:

{
      this, "DigitizationFile", "",
      "Traccc digitization config JSON file (required when PopulateFromFile=true)"}

Definition at line 61 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                             {
      this, "DigitizationFile", "",
      "Traccc digitization config JSON file (required when PopulateFromFile=true)"};

◆ m_geometryFile

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_geometryFile

private

Initial value:

{
      this, "GeometryFile", "",
      "Detray geometry JSON file (required when PopulateFromFile=true)"}

Definition at line 58 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                         {
      this, "GeometryFile", "",
      "Detray geometry JSON file (required when PopulateFromFile=true)"};

◆ m_hostCondObjectName

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_hostCondObjectName

private

Initial value:

{
      this, "HostConditionsObjectName", "",
      "Traccc host conditions object"}

Definition at line 80 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                               {
      this, "HostConditionsObjectName", "",
      "Traccc host conditions object"};

◆ m_hostDesignObjectName

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_hostDesignObjectName

private

Initial value:

{
      this, "HostDigitizationObjectName", "",
      "Traccc host digitization object"}

Definition at line 77 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                                 {
      this, "HostDigitizationObjectName", "",
      "Traccc host digitization object"};

◆ m_hostMR

ToolHandle<AthDevice::IMemoryResourceTool> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_hostMR

private

Initial value:

{

this, "HostMR", "", "Host memory resource tool"}

Definition at line 50 of file JSONDeviceDetectorDescriptionProviderSvc.h.

50 {

51 this, "HostMR", "", "Host memory resource tool"};

◆ m_mapFile

Gaudi::Property<std::string> ActsTrk::JSONDeviceDetectorDescriptionProviderSvc::m_mapFile

private

Initial value:

{
    this, "MapFile", "",
    "Path to the athena<->detray ID map CSV file"}

Definition at line 67 of file JSONDeviceDetectorDescriptionProviderSvc.h.

                                    {
    this, "MapFile", "",
    "Path to the athena<->detray ID map CSV file"};

The documentation for this class was generated from the following files:

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Function Documentation

◆ athenaToDetrayMap()

◆ buildFromFile()

◆ detrayToAthenaMap()

◆ initialize()

◆ loadIdMaps()

Member Data Documentation

◆ m_athenaToDetray

◆ m_conditionsFile

◆ m_copy

◆ m_detrayToAthena

◆ m_detStore

◆ m_deviceCondObjectName

◆ m_deviceDesignObjectName

◆ m_deviceMR

◆ m_digitizationFile

◆ m_geometryFile

◆ m_hostCondObjectName

◆ m_hostDesignObjectName

◆ m_hostMR

◆ m_mapFile